How do you list and flush all IP tables in Linux?

https://www.digitalocean.com/community/tutorials/how-to-list-and-delete-iptables-firewall-rules

If u wish to see what rules are in iptables - # iptables --list If u wish to flush the rules of iptables - # iptables -flush OR # iptables -F And don't forget to save the rules of iptables after changes # iptables save